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Struct FFIObj

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#[repr(C)]
pub struct FFIObj { /* private fields */ }
Expand description

A ref-counted pointer that can be sent over FFI

§C Layout

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impl FFIObj

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pub fn new<T: Any + Send + Sync + 'static>(value: T) -> Self

Create a new FFI compatible pointer to the given type

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pub fn downcast_ref<T: Any>(self: &FFIObj) -> Option<&T>

Downcast the FFI object to a specific type

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impl Clone for FFIObj

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fn clone(self: &FFIObj) -> FFIObj

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Drop for FFIObj

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fn drop(self: &mut FFIObj)

Executes the destructor for this type. Read more
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impl ReprC for FFIObj
where *const Erased: ReprC, <*const Erased as ReprC>::CLayout: CType<OPAQUE_KIND = Concrete>, &'static VTable: ReprC, <&'static VTable as ReprC>::CLayout: CType<OPAQUE_KIND = Concrete>,

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type CLayout = FFIObj

The CType having the same layout as Self.
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fn is_valid(it: &Self::CLayout) -> bool

Sanity checks that can be performed on an instance of the CType layout. Read more
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impl Send for FFIObj
where Arc<dyn Any + Send + Sync + 'static>: Send,

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impl Sync for FFIObj
where Arc<dyn Any + Send + Sync + 'static>: Sync,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.